Pesqueria Gulch (Pisquero Gulch), Las Guijas gold placers (Arivaca placers), Las Guijas Wash, Las Guijas Mountains, Arivaca Mining District (Las Guijas Mining District), Las Guijas & San Luis Mountains, Pima County, Arizona, USAi
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Latitude & Longitude (WGS84):
31° North , 111° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Type:
Köppen climate type:
Mindat Locality ID:
35239
Long-form identifier:
mindat:1:2:35239:5
GUID (UUID V4):
2a5ed97e-7da1-489e-af94-6537cc25f918
‡Ref.: Willis, C.F. (1915) Las Guijas placer: State Magazine and Pathfinder: 6(1): 10-11.
Allen, M.A. (1922) Arizona gold placers: Arizona Bureau of Mines Bulletin No. 118, 24 p., 1 sheet: 10-11.
Wilson, E.D. (1927), Arizona Gold Placers, 2nd.ed. (revised), University of Arizona Bull. 124: 44.
Wilson, E.D. (1961) Gold Placers and Placering in Arizona. Arizona Bureau of Mines Bull. 168 (revised 1978): 78-80.
Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 106 (Table 4).
Arizona Bureau of Mines file data.
A Au-Ag-Hg placer deposit area located in the Las Guijas gold placers. Owned by the New Venture Placer Mining Co.
Mineralization is generally very fine gold with a few nuggets in gravels on pediment slopes, old terraces or 'mesas', and in verious gulches and washes along Las Guijas Wash at or near true of false bedrock. Often admixed with clay.
Workings include dry and wet placer operations from prior to 1900. Reworked intermittently in the 1930's and early 1940's. Total production is estimated at about 1,000 oz. Au with some Ag.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Gold Formula: Au Description: Placer gold, generally very fine with a few nuggets, alloyed with silver and/or mercury. References: |
Gallery:
Other Regions, Features and Areas containing this locality
Mexico
- Sierra Madre OccidentalMountain Range
North America
- Sonoran DesertDesert
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
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